Modular VoIP GSM Gateways ranging from 4 up to 32 GSM ports designed for connecting directly to the GSM cellular networks via H323 or SIP protocol, for significantly lowering call interconnection charges. HG-4000 series enables inbound and outbound VoIP and Cellular calls - all in one compact box.
Modular ISDN GSM Gateways ranging from 4 up to 30 GSM channels developed for connecting E1/T1 PRI or ISDN BRI interfaces directly to the GSM cellular networks, for significantly reducing the cost of fixed-to-mobile and mobile-to-fixed calls. Also available dual PRI-GSM Gateways, saving the cost of an additional PBX E1/T1 PRI port.
Modular VoIP UMTSGateways ranging from 4 up to 32 GSM channels. Available with UMTS Removable User Identity Module (RUIM), the HG-4000C UMTS gateway series is an ideal call termination system solution, as it provides a cost-effective alternative for fixed-to-mobile or mobile-to-fixed calls, and enables inbound and outbound UMTS cellular calls - all in one compact box